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DWA – Fit in Wastewater Technology?

DWA – Fit in Wastewater Technology?

Self-learning material with more than 400 questions which had been developed for the requirements of a German wastewater engineering technician.


  • Municipal Sewerage
  • Private Sewerage
  • Sewerage Systems
  • Wastewater Treatment Plants
  • Biological Wastewater Treatment
  • Mechanical Wastewater Treatment
  • Sludge Treatment
  • Small Sewage Works
  • Water Bodies
  • “What happens if…”
The digital flashcards include free use of the scientifically proven educational software BRAINYOO for efficient and mobile Online/Offline learning.
22,90 €
inkl. 19% MwSt.

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Details

“Fit in Wastewater Technology” was specifically developed for the practical and comprehensible transfer of knowledge for the occupation of wastewater engineering technician.
It contains conventional multiple-choice questions plus questions related to situations for the better understanding of processes. Target group: Teachers/trainers and students in vocational and further training as well as operational staff.

The questions are based on the E-Book “Fit in Wastewater Technology!” (ISBN 978-3-88721-330-5; en.dwa.de).

“Fit in Wastewater Technology” is intended as training and self-learning material which supplements the “modular wastewater training system”. This training kit consists of magnetic picture cards with wastewater technology components and a set of flashcards with the key associated facts.
The Modular wastewater training system in combination with “Fit in Wastewater Technology” is a kickoff for all active learning orientation. The Modular wastewater training system is now available in various languages.
For some issues (wastewater chlorination, use of digester gas) there are supplementary cards. See: http://en.dwa.de/modular-wastewater-training-system.html.

Further translations are possible at any time in collaboration with the DWA (info@dwa.de).

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Beispielfragen
What is the total population and equivalents for the parameter chemical oxygen demand in (g/(PT·d))?
What is the total population and equivalents for the parameter biological oxygen demand in (g/(PT·d))?
What is the total population and equivalents for the parameter phosphorous (Ptot) in (g/(PT·d))?
What is the total population and equivalents for the parameter Ntot in (g/(PT·d))?
Which of the following percolation types has the highest treatment efficiency and the largest areal demand?
Description: There are 19,500 inhabitants living in a municipality. The wastewater generated is conveyed through a combined sewer. A reach of this combined sewer located in a short distance upstream of the sewage treatment plant is rehabilitated with following features:Circular profile: DN 1,000Length: 800 mHeight difference: 10 mThe screw pump lifting station at the treatment plant has a dry weather inflow of 48 l/s.Lay out the flow chart with the magnetic cards or sketch the chart. Calculate the slope of the new reach in per mill.
Description: There are 19,500 inhabitants living in a municipality. The wastewater generated is conveyed through a combined sewer. A reach of this combined sewer located in a short distance upstream of the sewage treatment plant is rehabilitated with following features:Circular profile: DN 1,000Length: 800 mHeight difference: 10 mThe screw pump lifting station at the treatment plant has a dry weather inflow of 48 l/s.What is the flow in m3/s in this new reach, when the flow velocity is 1.7 m/s?
Description: There are 19,500 inhabitants living in a municipality. The wastewater generated is conveyed through a combined sewer. A reach of this combined sewer located in a short distance upstream of the sewage treatment plant is rehabilitated with following features:Circular profile: DN 1,000Length: 800 mHeight difference: 10 mThe screw pump lifting station at the treatment plant has a dry weather inflow of 48 l/s.What is the volume in this new reach in case of full-bore?
Description: There are 19,500 inhabitants living in a municipality. The wastewater generated is conveyed through a combined sewer. A reach of this combined sewer located in a short distance upstream of the sewage treatment plant is rehabilitated with following features:Circular profile: DN 1,000Length: 800 mHeight difference: 10 mThe screw pump lifting station at the treatment plant has a dry weather inflow of 48 l/s.For the leakage test in this new reach the wetted surface has to be calculated. What is the result?
Description: There are 19,500 inhabitants living in a municipality. The wastewater generated is conveyed through a combined sewer. A reach of this combined sewer located in a short distance upstream of the sewage treatment plant is rehabilitated with following features: Circular profile: DN 1,000Length: 800 mHeight difference: 10 mThe screw pump lifting station at the treatment plant has a dry weather inflow of 48 l/s.How long does it take for the wastewater to flow from the start of the new reach to the screw pump lifting station when the flow velocity during dry weather is 1.7 m/s and during a storm event 3.0 m/s?
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